161 	struct rockchip_usb_phy *rk_phy = dev_get_drvdata(dev);  in otg_mode_show()  local
163 	if (!rk_phy) {  in otg_mode_show()
168 	switch (rk_phy->mode) {  in otg_mode_show()
187 	struct rockchip_usb_phy *rk_phy = dev_get_drvdata(dev);  in otg_mode_store()  local
192 	if (!rk_phy) {  in otg_mode_store()
197 	mutex_lock(&rk_phy->mutex);  in otg_mode_store()
206 		dev_err(&rk_phy->phy->dev, "Error mode! Input 'otg' or 'host' or 'peripheral'\n");  in otg_mode_store()
211 	if (rk_phy->mode == new_dr_mode) {  in otg_mode_store()
212 		dev_warn(&rk_phy->phy->dev, "Same as current mode.\n");  in otg_mode_store()
216 	rk_phy->mode = new_dr_mode;  in otg_mode_store()
218 	switch (rk_phy->mode) {  in otg_mode_store()
235 	regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON3, val);  in otg_mode_store()
238 	mutex_unlock(&rk_phy->mutex);  in otg_mode_store()
407 	struct rockchip_usb_phy *rk_phy = data;  in rockchip_usb_phy_action()  local
409 	if (!rk_phy->uart_enabled) {  in rockchip_usb_phy_action()
410 		of_clk_del_provider(rk_phy->np);  in rockchip_usb_phy_action()
411 		clk_unregister(rk_phy->clk480m);  in rockchip_usb_phy_action()
414 	if (rk_phy->clk)  in rockchip_usb_phy_action()
415 		clk_put(rk_phy->clk);  in rockchip_usb_phy_action()
455 	struct rockchip_usb_phy *rk_phy = container_of(work,  in rk3288_usb_phy_otg_sm_work()  local
465 	mutex_lock(&rk_phy->mutex);  in rk3288_usb_phy_otg_sm_work()
469 	regmap_read(rk_phy->base->reg_base, RK3288_SOC_STATUS2, &val);  in rk3288_usb_phy_otg_sm_work()
472 	regmap_read(rk_phy->base->reg_base, RK3288_SOC_STATUS2, &val);  in rk3288_usb_phy_otg_sm_work()
476 	if (!vbus_attached || !id || rk_phy->mode == USB_DR_MODE_HOST) {  in rk3288_usb_phy_otg_sm_work()
477 		dev_dbg(&rk_phy->phy->dev, "peripheral disconnected\n");  in rk3288_usb_phy_otg_sm_work()
478 		wake_unlock(&rk_phy->wakelock);  in rk3288_usb_phy_otg_sm_work()
479 		extcon_set_state_sync(rk_phy->base->edev, cable, false);  in rk3288_usb_phy_otg_sm_work()
480 		rk_phy->chg_state = USB_CHG_STATE_UNDEFINED;  in rk3288_usb_phy_otg_sm_work()
490 	switch (rk_phy->chg_state) {  in rk3288_usb_phy_otg_sm_work()
492 		mutex_unlock(&rk_phy->mutex);  in rk3288_usb_phy_otg_sm_work()
493 		schedule_delayed_work(&rk_phy->chg_work, 0);  in rk3288_usb_phy_otg_sm_work()
496 		switch (rk_phy->chg_type) {  in rk3288_usb_phy_otg_sm_work()
498 			dev_dbg(&rk_phy->phy->dev, "sdp cable is connected\n");  in rk3288_usb_phy_otg_sm_work()
499 			wake_lock(&rk_phy->wakelock);  in rk3288_usb_phy_otg_sm_work()
504 			dev_dbg(&rk_phy->phy->dev, "dcp cable is connected\n");  in rk3288_usb_phy_otg_sm_work()
509 			dev_dbg(&rk_phy->phy->dev, "cdp cable is connected\n");  in rk3288_usb_phy_otg_sm_work()
510 			wake_lock(&rk_phy->wakelock);  in rk3288_usb_phy_otg_sm_work()
523 	if (extcon_get_state(rk_phy->base->edev, cable) != vbus_attached)  in rk3288_usb_phy_otg_sm_work()
524 		extcon_set_state_sync(rk_phy->base->edev, cable,  in rk3288_usb_phy_otg_sm_work()
529 		schedule_delayed_work(&rk_phy->otg_sm_work, OTG_SCHEDULE_DELAY);  in rk3288_usb_phy_otg_sm_work()
531 	mutex_unlock(&rk_phy->mutex);  in rk3288_usb_phy_otg_sm_work()
550 	struct rockchip_usb_phy *rk_phy =  in rk3288_chg_detect_work()  local
560 	dev_dbg(&rk_phy->phy->dev, "chg detection work state = %d\n",  in rk3288_chg_detect_work()
561 		rk_phy->chg_state);  in rk3288_chg_detect_work()
563 	switch (rk_phy->chg_state) {  in rk3288_chg_detect_work()
565 		mutex_lock(&rk_phy->mutex);  in rk3288_chg_detect_work()
569 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON2, val);  in rk3288_chg_detect_work()
573 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON3, val);  in rk3288_chg_detect_work()
577 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON2, val);  in rk3288_chg_detect_work()
578 		rk_phy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;  in rk3288_chg_detect_work()
585 		regmap_read(rk_phy->base->reg_base, RK3288_SOC_STATUS19, &val);  in rk3288_chg_detect_work()
594 			regmap_write(rk_phy->base->reg_base,  in rk3288_chg_detect_work()
602 			regmap_write(rk_phy->base->reg_base,  in rk3288_chg_detect_work()
605 			rk_phy->chg_state = USB_CHG_STATE_DCD_DONE;  in rk3288_chg_detect_work()
612 		regmap_read(rk_phy->base->reg_base, RK3288_SOC_STATUS19, &val);  in rk3288_chg_detect_work()
617 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON2, val);  in rk3288_chg_detect_work()
626 			regmap_write(rk_phy->base->reg_base,  in rk3288_chg_detect_work()
629 			rk_phy->chg_state = USB_CHG_STATE_PRIMARY_DONE;  in rk3288_chg_detect_work()
633 				rk_phy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;  in rk3288_chg_detect_work()
634 				rk_phy->chg_state = USB_CHG_STATE_DETECTED;  in rk3288_chg_detect_work()
640 				rk_phy->chg_type = POWER_SUPPLY_TYPE_USB;  in rk3288_chg_detect_work()
641 				rk_phy->chg_state = USB_CHG_STATE_DETECTED;  in rk3288_chg_detect_work()
647 		regmap_read(rk_phy->base->reg_base, RK3288_SOC_STATUS19, &val);  in rk3288_chg_detect_work()
654 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON2, val);  in rk3288_chg_detect_work()
656 			rk_phy->chg_type = POWER_SUPPLY_TYPE_USB_DCP;  in rk3288_chg_detect_work()
658 			rk_phy->chg_type = POWER_SUPPLY_TYPE_USB_CDP;  in rk3288_chg_detect_work()
661 		rk_phy->chg_state = USB_CHG_STATE_DETECTED;  in rk3288_chg_detect_work()
666 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON2, val);  in rk3288_chg_detect_work()
670 		regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON3, val);  in rk3288_chg_detect_work()
671 		mutex_unlock(&rk_phy->mutex);  in rk3288_chg_detect_work()
672 		rk3288_usb_phy_otg_sm_work(&rk_phy->otg_sm_work.work);  in rk3288_chg_detect_work()
673 		dev_info(&rk_phy->phy->dev, "charger = %s\n",  in rk3288_chg_detect_work()
674 			 chg_to_string(rk_phy->chg_type));  in rk3288_chg_detect_work()
677 		mutex_unlock(&rk_phy->mutex);  in rk3288_chg_detect_work()
686 	schedule_delayed_work(&rk_phy->chg_work, delay);  in rk3288_chg_detect_work()
691 	struct rockchip_usb_phy *rk_phy = data;  in rk3288_usb_phy_bvalid_irq()  local
695 	ret = regmap_read(rk_phy->base->reg_base, RK3288_UOC0_CON4, &val);  in rk3288_usb_phy_bvalid_irq()
699 	mutex_lock(&rk_phy->mutex);  in rk3288_usb_phy_bvalid_irq()
704 	regmap_write(rk_phy->base->reg_base, RK3288_UOC0_CON4, val);  in rk3288_usb_phy_bvalid_irq()
706 	mutex_unlock(&rk_phy->mutex);  in rk3288_usb_phy_bvalid_irq()
708 	if (rk_phy->uart_enabled)  in rk3288_usb_phy_bvalid_irq()
711 	cancel_delayed_work_sync(&rk_phy->otg_sm_work);  in rk3288_usb_phy_bvalid_irq()
712 	rk3288_usb_phy_otg_sm_work(&rk_phy->otg_sm_work.work);  in rk3288_usb_phy_bvalid_irq()
717 static int rk3288_usb_phy_probe_init(struct rockchip_usb_phy *rk_phy)  in rk3288_usb_phy_probe_init()  argument
722 	if (rk_phy->reg_offset == 0x320) {  in rk3288_usb_phy_probe_init()
726 		rk_phy->bvalid_irq = of_irq_get_byname(rk_phy->np,  in rk3288_usb_phy_probe_init()
728 		regmap_read(rk_phy->base->reg_base, RK3288_UOC0_CON4, &val);  in rk3288_usb_phy_probe_init()
729 		if (rk_phy->bvalid_irq <= 0) {  in rk3288_usb_phy_probe_init()
730 			dev_err(&rk_phy->phy->dev,  in rk3288_usb_phy_probe_init()
736 		ret = devm_request_threaded_irq(rk_phy->base->dev,  in rk3288_usb_phy_probe_init()
737 						rk_phy->bvalid_irq,  in rk3288_usb_phy_probe_init()
742 						rk_phy);  in rk3288_usb_phy_probe_init()
744 			dev_err(&rk_phy->phy->dev,  in rk3288_usb_phy_probe_init()
749 		rk_phy->chg_state = USB_CHG_STATE_UNDEFINED;  in rk3288_usb_phy_probe_init()
750 		wake_lock_init(&rk_phy->wakelock, WAKE_LOCK_SUSPEND,  in rk3288_usb_phy_probe_init()
752 		INIT_DELAYED_WORK(&rk_phy->chg_work, rk3288_chg_detect_work);  in rk3288_usb_phy_probe_init()
753 		INIT_DELAYED_WORK(&rk_phy->otg_sm_work,  in rk3288_usb_phy_probe_init()
756 		rk_phy->mode = of_usb_get_dr_mode_by_phy(rk_phy->np, -1);  in rk3288_usb_phy_probe_init()
757 		if (rk_phy->mode == USB_DR_MODE_OTG ||  in rk3288_usb_phy_probe_init()
758 		    rk_phy->mode == USB_DR_MODE_UNKNOWN) {  in rk3288_usb_phy_probe_init()
759 			ret = sysfs_create_group(&rk_phy->phy->dev.kobj,  in rk3288_usb_phy_probe_init()
762 				dev_err(&rk_phy->phy->dev,  in rk3288_usb_phy_probe_init()
767 	} else if (rk_phy->reg_offset == 0x334) {  in rk3288_usb_phy_probe_init()
780 		regmap_write(rk_phy->base->reg_base, rk_phy->reg_offset,  in rk3288_usb_phy_probe_init()
791 	struct rockchip_usb_phy *rk_phy;  in rockchip_usb_phy_init()  local
797 	rk_phy = devm_kzalloc(base->dev, sizeof(*rk_phy), GFP_KERNEL);  in rockchip_usb_phy_init()
798 	if (!rk_phy)  in rockchip_usb_phy_init()
801 	rk_phy->base = base;  in rockchip_usb_phy_init()
802 	rk_phy->np = child;  in rockchip_usb_phy_init()
803 	mutex_init(&rk_phy->mutex);  in rockchip_usb_phy_init()
811 	rk_phy->reset = of_reset_control_get(child, "phy-reset");  in rockchip_usb_phy_init()
812 	if (IS_ERR(rk_phy->reset))  in rockchip_usb_phy_init()
813 		rk_phy->reset = NULL;  in rockchip_usb_phy_init()
815 	rk_phy->reg_offset = reg_offset;  in rockchip_usb_phy_init()
817 	rk_phy->clk = of_clk_get_by_name(child, "phyclk");  in rockchip_usb_phy_init()
818 	if (IS_ERR(rk_phy->clk))  in rockchip_usb_phy_init()
819 		rk_phy->clk = NULL;  in rockchip_usb_phy_init()
838 		rk_phy->uart_enabled = true;  in rockchip_usb_phy_init()
840 		if (rk_phy->clk) {  in rockchip_usb_phy_init()
841 			clk_name = __clk_get_name(rk_phy->clk);  in rockchip_usb_phy_init()
852 		rk_phy->clk480m_hw.init = &init;  in rockchip_usb_phy_init()
854 		rk_phy->clk480m = clk_register(base->dev, &rk_phy->clk480m_hw);  in rockchip_usb_phy_init()
855 		if (IS_ERR(rk_phy->clk480m)) {  in rockchip_usb_phy_init()
856 			err = PTR_ERR(rk_phy->clk480m);  in rockchip_usb_phy_init()
861 					rk_phy->clk480m);  in rockchip_usb_phy_init()
867 				       rk_phy);  in rockchip_usb_phy_init()
871 	rk_phy->phy = devm_phy_create(base->dev, child, &ops);  in rockchip_usb_phy_init()
872 	if (IS_ERR(rk_phy->phy)) {  in rockchip_usb_phy_init()
874 		return PTR_ERR(rk_phy->phy);  in rockchip_usb_phy_init()
876 	phy_set_drvdata(rk_phy->phy, rk_phy);  in rockchip_usb_phy_init()
879 		err = rk3288_usb_phy_probe_init(rk_phy);  in rockchip_usb_phy_init()
884 	rk_phy->vbus = devm_regulator_get_optional(&rk_phy->phy->dev, "vbus");  in rockchip_usb_phy_init()
885 	if (IS_ERR(rk_phy->vbus)) {  in rockchip_usb_phy_init()
886 		if (PTR_ERR(rk_phy->vbus) == -EPROBE_DEFER)  in rockchip_usb_phy_init()
887 			return PTR_ERR(rk_phy->vbus);  in rockchip_usb_phy_init()
888 		rk_phy->vbus = NULL;  in rockchip_usb_phy_init()
895 	if (rk_phy->uart_enabled)  in rockchip_usb_phy_init()
896 		return clk_prepare_enable(rk_phy->clk);  in rockchip_usb_phy_init()
898 		return rockchip_usb_phy_power(rk_phy, 1);  in rockchip_usb_phy_init()
901 	if (!rk_phy->uart_enabled)  in rockchip_usb_phy_init()
902 		clk_unregister(rk_phy->clk480m);  in rockchip_usb_phy_init()
904 	if (rk_phy->clk)  in rockchip_usb_phy_init()
905 		clk_put(rk_phy->clk);  in rockchip_usb_phy_init()